Mobile

Artist: Alexander Calder
Art: Mobiles
Links: Calder Foundation, Alexander Calder - ARTCYLOPEDIA, Alexander Calder - Wikipedia, Calder - Quotes

Artists: Jean Dubuffet, Pablo Picasso, Marcel Duchamp, Robert Rauschenberg, Kurt Schwitters, Joseph Cornell and many more
Art: Found Object and Assemblage
Links: Found Object Art - Wikipedia, Assemblage Art - Wikipedia, International Museum of Collage, Assemblage and Construction, Assemblage Collection - MoMA, DADA Movement - NGA

Personal Research

Search Engines
Links: Artist Search - ARTCYLOPEDIA, Artist Search - World Wide Art Gallery, Elements and Principles Search - ARTICULATION

Geometric Form Sculpture

Artist: Fletcher Benton
Art: Geometric Form Sculpture
Links: Fletcher Benton Gallery, Fletcher Benton - ARTCYCLOPEDIA, Fletcher Benton - Wikipedia, Fletcher Benton - Art 4 Auction

Artist: Liouse Nevelson
Art: Abstract Expressionist
Links: Liouse Nevelson - ARTCYCLOPEDIA, Liouse Nevelson - Wikipedia, Liouse Nevelson - Art 4 Auction